Sardinia, Italy

Cala Ostina

Cala Ostina is a picturesque beach located in Sardinia. This coastal gem is known for its tranquil and serene atmosphere, making it an ideal destination for those seeking a peaceful seaside escape. The beach is nestled in nature's embrace, offering breathtaking beauty that is especially evident in the early morning hours. The calmness of dawn casts a magical aura over the turquoise waters and pristine sands, creating a serene oasis for early risers.

The beach is slightly pebbly, but the water is crystal clear and calm, making it safe for kids. The sea doesn't get deep quickly, which adds to the safety factor. The beach is also good for snorkeling, offering another activity for visitors to enjoy.

Discover accommodation options near Cala Ostina and enjoy serene mornings by the crystal-clear waters.

Despite its natural beauty, Cala Ostina is not typically crowded, particularly if you visit during the weekdays. This allows visitors to have an intimate and personal connection with the natural wonders of this idyllic spot. However, reaching the beach can be a bit tiring as the road leading to it is somewhat challenging. But the tranquility and natural beauty of the beach make the journey worthwhile.

What to do at Cala Ostina?

Amenities

Cala Ostina amenities include loungers.

Restaurants

Best restaurants near Cala Ostina include Ristorante Su Nuraghe, La Terra Bianca, Ristorante Lo Scoglio Residence - Hotel La Baia, Baga Baga and Ristorante Rocca 'Ja.

Visitor Reviews

Visitor reviews highlight the beach's tranquil atmosphere and natural beauty, particularly praising the clear, calm waters and the lack of crowds. Many visitors appreciate the beach's suitability for activities like snorkeling and its safety for children. However, some visitors find the access to the beach tiring due to the steep road.

Where to Stay near Cala Ostina?

If you’re visiting Cala Ostina, consider staying in the nearby town of Castelsardo, which offers a range of accommodation options and is just a short drive away. Most visitors enjoy the serene beach as part of a broader exploration of the beautiful Sardinian coastline.

The following map shows available accommodations and their prices. See the full list of accommodation options here.

Where is Cala Ostina?

Latitude: 40.9155195 / Longitude: 8.7385665

Cala Ostina is located in Sardinia. The following map of Cala Ostina shows the exact location.

Cala Ostina: Weather Today

📅 Tuesday, May 5, 2026
Today is unfortunately not a suitable day for a beach visit to Cala Ostina. You should avoid heading to the shore as thunderstorms are expected, bringing the risk of rain and unsettled conditions throughout the day. With the sky heavily blanketed in clouds and the potential for sudden, sharp winds, it will be quite unpleasant and potentially unsafe to spend time outdoors. The air temperature will reach 20 °C, but the water is quite chilly at 17.5 °C, making it far too cold for swimming. Even if the sun tries to break through, the high UV index of 7.5 means you should remain cautious if you are near the coast. Please stay indoors and wait for a clearer, calmer day to enjoy the beach.
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Air

Low / High16.7°C/20°C
Feels Like (High)20.7°C
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Sea

Sea Temperature17.5 °C
Wave Height0.4 m
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Rain

Rain Chance50%
Rainfall8.1 mm
Rain Duration15 h
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Sun

Sunrise / Sunset06:17/20:25
Sunshine Hours10.1 hrs
UV Index7.5
Cloud Cover94%
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Wind

Speed15.4 km/h
Gusts34.9 km/h
DirectionSW

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